• 言(word; speech)
• 十(ten)

Calculation is using words to count numbers one by one.

• 娄(many times; piled up)
• 攵(tap; hand motion)

Counting numbers is using your hand to tap repeatedly many times in order to calculate.

• ⺮(bamboo)
• 官(official; manage)

A bamboo tube is managed by officials, so 管 means both tube and to manage.

• 言(word; speech)
• 十(ten)

Calculation is using words to count numbers one by one.

• 娄(many times; piled up)
• 攵(tap; hand motion)

Counting numbers is using your hand to tap repeatedly many times in order to calculate.

• ⺮(bamboo)
• 官(official; manage)

A bamboo tube is managed by officials, so 管 means both tube and to manage.